Which of the following series diverges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { n + 2 } { n ^ { 2 } + 1 }$ 2) $\sum _ { n = 1 } ^ { \infty } \frac { n ! } { 2 ^ { n } }$ 3) $\sum _ { n = 1 } ^ { \infty } \left( \frac { 2 n - 1 } { n + 3 } \right) ^ { n }$
A)None
B)1
C)2
D)3
E)1, 2
F)1, 3
G)2, 3
H)1, 2, 3

Question

Which of the following series diverges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { n + 2 } { n ^ { 2 } + 1 }$ 2) $\sum _ { n = 1 } ^ { \infty } \frac { n ! } { 2 ^ { n } }$ 3) $\sum _ { n = 1 } ^ { \infty } \left( \frac { 2 n - 1 } { n + 3 } \right) ^ { n }$ 
A)None
B)1
C)2
D)3
E)1, 2
F)1, 3
G)2, 3
H)1, 2, 3

Quizplus · Accepted Answer

The Answer of Which of the following series diverges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { n + 2 } { n ^ { 2 } + 1 }$ 2) $\sum _ { n = 1 } ^ { \infty } \frac { n ! } { 2 ^ { n } }$ 3) $\sum _ { n = 1 } ^ { \infty } \left( \frac { 2 n - 1 } { n + 3 } \right) ^ { n }$ 
A)None
B)1
C)2
D)3
E)1, 2
F)1, 3
G)2, 3
H)1, 2, 3

Which of the Following Series Diverges? 1) ∑n=1∞n+2n2+1\sum _ { n = 1 } ^ { \infty } \frac { n + 2 } { n ^ { 2 } + 1 }∑n=1∞​n2+1n+2​

Which of the Following Series Diverges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { n + 2 } { n ^ { 2 } + 1 }$